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14
IB990 User’s Manual
2.2
Setting the Jumpers
Set up and configure your IB990 by using jumpers for various settings
and features according to your needs and applications. Contact your
supplier if you have doubts about the best configuration for your use.
2.2.1
How to Set Jumpers
Jumpers are short-length conductors consisting of several metal pins
with a non-conductive base mounted on the circuit board. Jumper
caps are used to have the functions and features enabled or disabled.
If a jumper has 3 pins, you can connect either PIN1 to PIN2 or PIN2 to
PIN3 by shorting.
Pin#
1
2
3
A 3-pin jumper
A jumper cap
Refer to the illustration below to set jumpers.
Pin closed
Oblique view
Schematic illustration in the manual
Open
1 2 3
1-2
1 2 3
2-3
1 2 3
When two pins of a jumper are encased in a jumper cap, this jumper
is
closed
, i.e. turned
On
.
When a jumper cap is removed from two jumper pins, this jumper is
open
, i.e. turned
Off
.